AI Content Checker
Free AI AI Detector
Detect AI-generated content with GPTINF's free AI Detector. Check if text was written by ChatGPT, Claude, or Gemini. Accurate results, no signup needed.
Content Checker
0 words0 / 20000 characters
Add 100 more words to analyze.
Detection Scope
Our AI content checker detects patterns produced by standard transformer models, calculating word perplexity and burstiness metrics.
GPT-5.4 / GPT-5 SeriesSupported
Claude Fable 5 / Mythos 5Supported
Gemini 3.6 / Gemini 3 SeriesSupported
Llama 4 / Open SourceSupported
Frequently Asked Questions
Find answers to the most common questions about our AI humanization and checking suite.
Can't find what you're looking for? Reach out to our dedicated support team.
Contact support teamRewrite Playground
Writing Style Studio & Persona Sandbox
Fine-tune your target vocabulary, sentence cadence, and style profiles to match your specific writing context.
Select Target Persona
Parameter Adjustments
Stealth Mode (Bypass Strength)High Stealth
Readability Level (Complexity)Undergrad
96%
Lexical Density78%
Syntactic Flow82%
Human Rhythm